Grow your own stevia plant. This hardy herb is known for its sweet leaves. Arriving at 4-6 inches tall, these well-rooted starter plants are perfect for outdoor gardens, containers, or indoor herb gardens USDA Growing Zones: 8-11 (can be grown as an annual in cooler climates) Sun Requirements: Prefers full sun to partial shade Mature Height: Grows 1-3 feet tall when fully matured 2 Sweet Stevia Plants Live Well Rooted, Stevia Herb Plants In Plug, Starter Plants 4-6" Height